It’s been a little while since I started this series off with Canvas, and I thought it was about time I continued it.  This time I’m going to look at that staple tool of any self-respecting budding artist – wax crayons.  Traditional, cheap, practical, easy to use, these are so ubiquitous that their creative potential is perhaps sometimes a little overlooked.  Personally I have found that all wax crayons are not alike.  They differ amazingly – you can get short fat stubby, chunky crayons, or long, thin ones.  Some are hard and plasticky, others (perhaps unsurprisingly) soft and waxy.  Some will produce a dense, bright colour, others a pale washed-out…